sam@ubuntu:~/.rbenv/versions/2.0.0-p195$ gdb bin/ruby
GNU gdb (GDB) 7.5.91.20130417-cvs-ubuntu
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"/home/sam/.rbenv/versions/2.0.0-p195/bin/ruby": not in executable format: File format not recognized

Lost on how to continue debugging this, it is telling me the executable is not valid.